ACUS11 KWNS 132348
SWOMCD
SPC MCD 132347=20
MTZ000-140115-

Mesoscale Discussion 0716
NWS Storm Prediction Center Norman OK
0647 PM CDT Wed May 13 2026

Areas affected...Parts of eastern Montana

Concerning...Severe Thunderstorm Watch 199...201...

Valid 132347Z - 140115Z

The severe weather threat for Severe Thunderstorm Watch 199, 201
continues.

SUMMARY...The risk of severe gusts (some upwards of 75 mph) will
continue spreading eastward into eastern Montana -- within WW201.

DISCUSSION...High-based thunderstorms moving eastward into eastern
MT have evolved into a loosely organized squall line along a north/south-oriented surface trough/confluence zone. This band of
storms will continue spreading eastward in tandem with the leading
edge of midlevel height falls accompanying a robust midlevel trough.
Around 40 kt of midlevel west-southwesterly flow oriented
perpendicular to the leading gust front and a hot/dry pre-convective
boundary layer will favor a continued risk of severe wind gusts
(some possibly up to 75 mph) with eastward extent (within WW201).

..Weinman.. 05/13/2026

...Please see https://urldefense.com/v3/__http://www.spc.noaa.gov__;!!DZ3fj= g!7qdPgy8l7CuTKYlgTmPp9osGLVh2Q3ThpCCoFFOL-cvYuM1eP8vsAxs8NuyucH_kq1WN76Gc5= _besm9bO9oWD3yiIr8$ for graphic product...

ATTN...WFO...BYZ...GGW...TFX...

LAT...LON 46200885 46820879 48190849 48550850 48910827 49010736
48730697 48060669 46670688 46260728 46040789 46020846
46200885=20

MOST PROBABLE PEAK WIND GUST...65-80 MPH


=3D =3D =3D
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